Figure 3.
Forty-four year-old gentleman with metastatic melanoma presented with a large (≥3 cm), superficial brain metastasis (A). He then underwent resection and SRS of post-resection cavity (B), but was then found to have local recurrence at the anterior border of the surgical cavity 7 months later (C). The images are on the same anatomical level. Image B also shows isodose distribution of the treated cavity, prescribed to1500 cGy to the 80% isodose line. The pink line represents the CTV, and red line represents the PTV.
